//阶乘


public class Program2 {

      public static void main(String[]args){

          for (int a= 1; a<10; a++){
              for (int b = 1 ; b<=a ; b++ ){
               System.out.print(a + "x" +b + "=" + (a*b) +" " );
              }
              System.out.println();
          }

      }
}
